public void Setup()
{
_sayHelloService = new Mock <ISayHello>();
_navigationService = new Mock <INavigationService>();
_viewModel = new SecondPageViewModel(_navigationService.Object, _sayHelloService.Object);
}
public App()
{
InitializeComponent();
MainPageViewModel = new MainPageViewModel();
SecondPageViewModel = new SecondPageViewModel();
MainPage = new NavigationPage(new MainPage());
}
public SecondPage()
{
InitializeComponent();
_viewModel = DataContext as SecondPageViewModel;
Unloaded += (sender, args) =>
{
//Bindings.StopTracking();
_viewModel = null;
};
}
public SecondPage()
{
InitializeComponent();
BindingContext = _ViewModel = new SecondPageViewModel();
MessagingCenter.Subscribe <SecondPageViewModel>(this, "NetworkAlert", async(sender) =>
{
await DisplayAlert("Network Alert", "No network", "Ok");
});
}
public void Second_page_action_should_return_view_result()
{
// When
var result = controller.SecondPage();
// Then
var expectedModel = new SecondPageViewModel();
result.Should().BeViewResult()
.Model.Should().BeEquivalentTo(expectedModel);
}
void OnEntryTextChanged(object sender, TextChangedEventArgs args)
{
bool isValid = args.NewTextValue.Length >= 5;
((Entry)sender).TextColor = isValid ? Color.Default : Color.Red;
this.secondPageViewModel = BindingContext as SecondPageViewModel;
if (this.secondPageViewModel != null)
{
this.secondPageViewModel.ChangeButtonEnabled = isValid;
}
}
public void Second_page_view_model_should_have_items()
{
// Given
var expectedItems = new[]
{
"Second Page Item 1",
"Second Page Item 2",
"Second Page Item 3"
};
// When
var firstPageViewModel = new SecondPageViewModel();
// Then
firstPageViewModel.SecondPageItems.Should().BeEquivalentTo(expectedItems);
}
protected override void OnElementChanged(ElementChangedEventArgs <GridView> e)
{
//base.OnElementChanged(e);
if (Control == null)
{
SecondPageViewModel vm = e.NewElement.BindingContext as SecondPageViewModel;
var layout = new UICollectionViewFlowLayout()
{
ScrollDirection = UICollectionViewScrollDirection.Vertical
};
var view = new GridViewCollectionView(
new CoreGraphics.CGRect(this.Element.X, this.Element.Y, (float)this.Element.Width, (float)this.Element.Height), layout);
view.RegisterClassForCell(typeof(GridViewCollectionViewCell), GridViewCollectionViewCell.gridViewCellId);
view.ViewModel = (SecondPageViewModel)e.NewElement?.BindingContext;
SetNativeControl(view);
}
}
/// <summary>
/// Implementation of navigation. This is specific to Xamarin.Forms
/// </summary>
/// <param name="sender">Caller</param>
/// <param name="newModel">Type of the target view model</param>
public void NavigateTo(object sender, Type newModel)
{
// if the target is SecondPageViewModel
// create that page, bonding and navigate to it
if (newModel == typeof(SecondPageViewModel))
{
var callerVM = ((MvvmAtomSampleMainViewModel)((AtomCommandBase)sender).ViewModel);
var vm = new SecondPageViewModel();
vm.UserName = callerVM.UserName;
var page = new SecondPage()
{
BindingContext = vm
};
App.Current.MainPage.Navigation.PushAsync(page);
}
else // Just show a message box
{
var callerVM = ((SecondPageViewModel)((AtomCommandBase)sender).ViewModel);
App.Current.MainPage.DisplayAlert("Demo message box", $"Thanks for watching this Demo - {callerVM.UserName}!", "OK");
}
}
public SecondPage(SecondPageViewModel viewModel = null)
{
InitializeComponent();
this.BindingContext = viewModel;
}
public SecondPage()
{
this.InitializeComponent();
this.DataContextChanged += (s, e) => ViewModel = DataContext as SecondPageViewModel;
}
public SecondPage()
{
InitializeComponent();
BindingContext = new SecondPageViewModel();
}
public void TearDown()
{
_navigationService = null;
_sayHelloService = null;
_viewModel = null;
}
public SecondPage()
{
InitializeComponent();
BindingContext = vm = new SecondPageViewModel();
vm.Navigation = this.Navigation;
}
public IActionResult SecondPage()
{
var model = new SecondPageViewModel();
return(View(model));
}
public SecondPage()
{
this.InitializeComponent();
this.DataContextChanged += (s, e) => ViewModel = DataContext as SecondPageViewModel;
}
private void OnSetDC(object sender, RoutedEventArgs e)
{
DataContext = new SecondPageViewModel();
}
public void SetUp()
{
_eventAggregator = A.Fake <IEventAggregator>();
_viewModel = new SecondPageViewModel(_eventAggregator);
}
